Sign decrees, discover game-breaking card synergies, and battle against rival players in asynchronous PvP combat in One Must Rule.
Step up to the council table in One Must Rule, an upcoming medieval empire-building auto-battler with asynchronous PvP combat. The Steam page is live, and playtest signups are available as the team prepares to release the game in 2027.
One Must Rule is an empire-building auto-battler set in a harsh medieval settlement where every strategic command shapes your kingdom’s fate. Build your empire from the council table, discover game-breaking card synergies, and battle against rival players. Every choice counts; only one will rule!
Key Features
- Empire-Building: Every decree you sign at the council table shapes the fate of your army on the open battlefield. As you choose new cards and upgrade them, watch your empire unveil itself before your eyes.
- Asynchronous PvP Combat: Take control of your chosen Ruler and guide their rise from a simple settlement to a massive empire by challenging rival players in asynchronous PvP combat.
- Unique Rulers & Special Abilities: Adapt your strategy to each Ruler’s distinct strengths, leverage their advantages at the council table, and forge a tailored path to victory in every run. Each Ruler has a unique special ability you can build around.

About the Studio
Violet Interactive is an indie game studio founded by four university friends with a shared passion for game development. The team is currently developing their debut title, One Must Rule, marking the official start of their journey of creating indie games together.





